look up any word, like ratchet:
 
1.
Noun. A finger blowjob is where someone performs the act of a blowjob on one of their, or someone else's, finger(s).
Dude1: "Last night, during foreplay, Sarah sucked on my fingers."
Dude2: "dude that's a finger-blowjob"
by DatFingerBlower October 04, 2013